Operating microscope and turbojet engine: what they have in common

1. Step 1. Operating microscope — is used in — Lens replacement. Under a microscope.
2. Step 2. Lens replacement — uses — Ultrasound. Phacoemulsification.
3. Step 3. Ultrasound — is used in — Nebulizer. Ultrasonic nebulizers.
4. Step 4. Nebulizer — has part — Compressor. A compressor.
5. Step 5. Compressor — is part of — Turbojet engine. The compressor compresses the air.

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